Home / 51,216,998.40-76,825,497.60-45,394,329.60

Finding the Fourth Proportional to 51,216,998.40, 76,825,497.60 and 45,394,329.60

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Solution

The fourth proportional to 51,216,998.40, 76,825,497.60 and 45,394,329.60 is: 68,091,494.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,216,998.40 : 76,825,497.60 = 45,394,329.60 : x
  2. Step 2: Convert to fraction form
    51,216,998.40/76,825,497.60 = 45,394,329.60/x
  3. Step 3: Cross multiply
    51,216,998.40x = 76,825,497.60 × 45,394,329.60
  4. Step 4: Simplify right side
    51,216,998.40x = 3,487,441,959,738,409
  5. Step 5: Solve for x
    x = 3,487,441,959,738,409/51,216,998.40
  6. Step 6: Final answer
    x = 68,091,494.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.